From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Carburettor jet metering with a blueprint of an adjustable carburetter and high-speed choke.
| Identifier | WestWitteringFiles\O\2January1926-March1926\ Scan181 | |
| Date | 19th March 1926 guessed | |
| contd :- -5- rather on the small side for the demands of high acceleration. We are however persevering with this jet and although the metering does not seem so good as obtained with the standard jet it could no doubt be corrected by means of the ports should it be made to improve the accelerating qualities of the car. Blueprint text: MICROMETER READING SCALE ADJUSTING SCREW CHAMFER .140 .150 U TUBE RECTANGULAR PORTS RECT DIAPHRAGM PORTS .450 ADJUSTABLE CARBURETTER HIGH SPEED CHOKE SHOWING SHAPE OF PORTS ael / A.F.A. | ||